Thermocouple Assemblies
Assembly
Equipped w/
Fits Bottle Fits Bottle
No.
Thermocouple No.
No.
Size.
A159CAPA
A295E
66CA2
250 mL
A159CA2PA A295E
66CA
500
A159CA3PA A295E2
71CA
1000
A159CA4PA A295E2
72CA
2000
72CA4
2250
A159CA5PA A295E2
A129CA3
1825
Water Cooling Jacket
Cooling can be provided for the standard 500 mL
bottle in the 3911 Hydrogenator by adding an A103CA
water jacket. This jacket fits into the bottle clamp in
place of the bottle guard, using a soft rubber ring to
seal the neck of the bottle. Nipples are provided for
hose connections to a cold water line and to a drain.
This jacket is made only for the 500 mL bottle. It is
not offered in other sizes.
Electric Motors
An electric motor drives the bottle shaker for the
3911 Hydrogenator with an enclosed belt drive. On the
larger, 3921 Apparatus the shaker is driven by a geared
head motor with a crank mechanism. These are con-
stant speed motors that oscillate the shaker at approxi-
mately 175 cycles per minute. They are not explosion
proof, yet they are not considered unduly hazardous
if operated in a well ventilated location where care is
taken to prevent the accumulation of explosive gases
or vapors. If an explosion proof motor is required, it
can be furnished at extra cost. Units equipped with an
explosion proof motor are supplied with a connecting
cord and switch which are not explosion proof. An
explosion proof switch and wiring option can be
provided by Parr Instrument Company.
CSA Certification
Parr Hydrogenators operating on 115 volts are
certified to the electrical code of the Canadian
Standards Association. Models operating on 230
volts are CSA and CE approved (the XP motor and
XP switch options are not approved).
Dimensions and Weights
3911
3921
Hydrogenator
Hydrogenator
Base plate
22 x 19 in.
30 x 2O.5 in.
Overall height
14 in.
17 in.
Net weight
58 lb.
160 lb.
Shipping weight
65 lb.
180 lb.
A159CA2PA
Thermocouple
Assembly
A103CA
Water Jacket
S e r i e s 3 9 0 0 H y d r o g e n a t i o n A p p a r a t u s
B u l l e t i n 3 9 0 0
9
1 - 8 0 0 - 8 7 2 - 7 7 2 0
